diff --git a/app/controllers/admin/asks_controller.rb b/app/controllers/admin/asks_controller.rb
index 3235baf..9bcbed2 100644
--- a/app/controllers/admin/asks_controller.rb
+++ b/app/controllers/admin/asks_controller.rb
@@ -157,8 +157,12 @@ class Admin::AsksController < OrbitAdminController
     @table_fields = @ask_list_setting.default_fields.select{|f| @ask_setting.default_setting[f].nil? || @ask_setting.default_setting[f] }
     if @category_id.present?
       ask_setting = AskCategorySetting.where(:category_id=>@category_id, :use_default.ne=>true).first
-      ask_setting = AskSetting.first if ask_setting.nil?
-      tmp = ask_setting.custom_fields
+      if ask_setting.nil?
+        ask_setting = AskSetting.first
+        tmp = ask_setting.custom_fields.map{|k,v| ["default@#{k}", v]}
+      else
+        tmp = ask_setting.custom_fields.map{|k,v| ["custom@#{k}", v]}
+      end
       list_setting_custom_fields = @ask_list_setting.custom_fields
     else
       tmp = []